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<FONT color="green">001</FONT>    package org.hackystat.iw.projectoverviewer.page.treemap;<a name="line.1"></a>
<FONT color="green">002</FONT>    <a name="line.2"></a>
<FONT color="green">003</FONT>    /*<a name="line.3"></a>
<FONT color="green">004</FONT>     * This code is highly inspired by Object Lab.<a name="line.4"></a>
<FONT color="green">005</FONT>     * <a name="line.5"></a>
<FONT color="green">006</FONT>     * www.ObjectLab.co.uk<a name="line.6"></a>
<FONT color="green">007</FONT>     */<a name="line.7"></a>
<FONT color="green">008</FONT>    <a name="line.8"></a>
<FONT color="green">009</FONT>    import java.awt.Color;<a name="line.9"></a>
<FONT color="green">010</FONT>    import java.awt.Graphics;<a name="line.10"></a>
<FONT color="green">011</FONT>    import java.util.Enumeration;<a name="line.11"></a>
<FONT color="green">012</FONT>    import javax.swing.JPanel;<a name="line.12"></a>
<FONT color="green">013</FONT>    import net.sf.jtreemap.swing.ColorProvider;<a name="line.13"></a>
<FONT color="green">014</FONT>    import net.sf.jtreemap.swing.DefaultValue;<a name="line.14"></a>
<FONT color="green">015</FONT>    import net.sf.jtreemap.swing.JTreeMap;<a name="line.15"></a>
<FONT color="green">016</FONT>    import net.sf.jtreemap.swing.TreeMapNode;<a name="line.16"></a>
<FONT color="green">017</FONT>    import net.sf.jtreemap.swing.Value;<a name="line.17"></a>
<FONT color="green">018</FONT>    <a name="line.18"></a>
<FONT color="green">019</FONT>    /**<a name="line.19"></a>
<FONT color="green">020</FONT>     * An HSB color space color provider for JTreeMap. Uses a specified function to map the values onto<a name="line.20"></a>
<FONT color="green">021</FONT>     * the HSB color space. The default is a linear function, but in my experience one of the<a name="line.21"></a>
<FONT color="green">022</FONT>     * logarithmic ones works best for this color space.<a name="line.22"></a>
<FONT color="green">023</FONT>     * <a name="line.23"></a>
<FONT color="green">024</FONT>     * @author Andy Adamczak<a name="line.24"></a>
<FONT color="green">025</FONT>     * @author Nathan Britton<a name="line.25"></a>
<FONT color="green">026</FONT>     */<a name="line.26"></a>
<FONT color="green">027</FONT>    public class RedYellowGreenColorProvider extends ColorProvider {<a name="line.27"></a>
<FONT color="green">028</FONT>    <a name="line.28"></a>
<FONT color="green">029</FONT>      /** Support serialization. */<a name="line.29"></a>
<FONT color="green">030</FONT>      private static final long serialVersionUID = 1L;<a name="line.30"></a>
<FONT color="green">031</FONT>    <a name="line.31"></a>
<FONT color="green">032</FONT>      /**<a name="line.32"></a>
<FONT color="green">033</FONT>       * Enumeration of different color distribution types.<a name="line.33"></a>
<FONT color="green">034</FONT>       * <a name="line.34"></a>
<FONT color="green">035</FONT>       * @author Andy Adamczak<a name="line.35"></a>
<FONT color="green">036</FONT>       */<a name="line.36"></a>
<FONT color="green">037</FONT>      public enum ColorDistributionTypes {<a name="line.37"></a>
<FONT color="green">038</FONT>        /** Linear grow.*/<a name="line.38"></a>
<FONT color="green">039</FONT>        Linear, <a name="line.39"></a>
<FONT color="green">040</FONT>        /** Logarithmic grow. */<a name="line.40"></a>
<FONT color="green">041</FONT>        Log, <a name="line.41"></a>
<FONT color="green">042</FONT>        /** Exponential grow. */<a name="line.42"></a>
<FONT color="green">043</FONT>        Exp, <a name="line.43"></a>
<FONT color="green">044</FONT>        /** Square root grow. */<a name="line.44"></a>
<FONT color="green">045</FONT>        SquareRoot, <a name="line.45"></a>
<FONT color="green">046</FONT>        /** Cubic root grow. */<a name="line.46"></a>
<FONT color="green">047</FONT>        CubicRoot<a name="line.47"></a>
<FONT color="green">048</FONT>      }<a name="line.48"></a>
<FONT color="green">049</FONT>    <a name="line.49"></a>
<FONT color="green">050</FONT>      /**<a name="line.50"></a>
<FONT color="green">051</FONT>       * Constructor.<a name="line.51"></a>
<FONT color="green">052</FONT>       * <a name="line.52"></a>
<FONT color="green">053</FONT>       * @param treeMap The JTreeMap instance.<a name="line.53"></a>
<FONT color="green">054</FONT>       */<a name="line.54"></a>
<FONT color="green">055</FONT>      public RedYellowGreenColorProvider(final JTreeMap treeMap) {<a name="line.55"></a>
<FONT color="green">056</FONT>        this(treeMap, ColorDistributionTypes.Linear);<a name="line.56"></a>
<FONT color="green">057</FONT>      }<a name="line.57"></a>
<FONT color="green">058</FONT>    <a name="line.58"></a>
<FONT color="green">059</FONT>      /**<a name="line.59"></a>
<FONT color="green">060</FONT>       * Constructor.<a name="line.60"></a>
<FONT color="green">061</FONT>       * <a name="line.61"></a>
<FONT color="green">062</FONT>       * @param treeMap The JTreeMap instance.<a name="line.62"></a>
<FONT color="green">063</FONT>       * @param colorDistribution The type of color distribution.<a name="line.63"></a>
<FONT color="green">064</FONT>       */<a name="line.64"></a>
<FONT color="green">065</FONT>      public RedYellowGreenColorProvider(final JTreeMap treeMap,<a name="line.65"></a>
<FONT color="green">066</FONT>          final ColorDistributionTypes colorDistribution) {<a name="line.66"></a>
<FONT color="green">067</FONT>    <a name="line.67"></a>
<FONT color="green">068</FONT>        super();<a name="line.68"></a>
<FONT color="green">069</FONT>        jTreeMap = treeMap;<a name="line.69"></a>
<FONT color="green">070</FONT>        this.colorDistribution = colorDistribution;<a name="line.70"></a>
<FONT color="green">071</FONT>      }<a name="line.71"></a>
<FONT color="green">072</FONT>    <a name="line.72"></a>
<FONT color="green">073</FONT>      /**<a name="line.73"></a>
<FONT color="green">074</FONT>       * Returns the legend panel.<a name="line.74"></a>
<FONT color="green">075</FONT>       * <a name="line.75"></a>
<FONT color="green">076</FONT>       * @return The legend penel.<a name="line.76"></a>
<FONT color="green">077</FONT>       */<a name="line.77"></a>
<FONT color="green">078</FONT>      @Override<a name="line.78"></a>
<FONT color="green">079</FONT>      public JPanel getLegendPanel() {<a name="line.79"></a>
<FONT color="green">080</FONT>        if (legend == null) {<a name="line.80"></a>
<FONT color="green">081</FONT>          legend = new Legend();<a name="line.81"></a>
<FONT color="green">082</FONT>        }<a name="line.82"></a>
<FONT color="green">083</FONT>    <a name="line.83"></a>
<FONT color="green">084</FONT>        return legend;<a name="line.84"></a>
<FONT color="green">085</FONT>      }<a name="line.85"></a>
<FONT color="green">086</FONT>    <a name="line.86"></a>
<FONT color="green">087</FONT>      /**<a name="line.87"></a>
<FONT color="green">088</FONT>       * Returns the colors.<a name="line.88"></a>
<FONT color="green">089</FONT>       * <a name="line.89"></a>
<FONT color="green">090</FONT>       * @param value The value instance.<a name="line.90"></a>
<FONT color="green">091</FONT>       * @return The colors.<a name="line.91"></a>
<FONT color="green">092</FONT>       */<a name="line.92"></a>
<FONT color="green">093</FONT>      @Override<a name="line.93"></a>
<FONT color="green">094</FONT>      public Color getColor(final Value value) {<a name="line.94"></a>
<FONT color="green">095</FONT>        // Figure out the current range of colors, map that range into a scale<a name="line.95"></a>
<FONT color="green">096</FONT>        // from 0 to 1,<a name="line.96"></a>
<FONT color="green">097</FONT>        // using the specified distribution type<a name="line.97"></a>
<FONT color="green">098</FONT>        if (maxValue == null || minValue == null) {<a name="line.98"></a>
<FONT color="green">099</FONT>          setValues(jTreeMap.getRoot());<a name="line.99"></a>
<FONT color="green">100</FONT>        }<a name="line.100"></a>
<FONT color="green">101</FONT>        final double max = this.maxValue.getValue();<a name="line.101"></a>
<FONT color="green">102</FONT>        // Use -1 if no value exists for this entry<a name="line.102"></a>
<FONT color="green">103</FONT>        double val;<a name="line.103"></a>
<FONT color="green">104</FONT>        if (value == null ) {<a name="line.104"></a>
<FONT color="green">105</FONT>          val = -1;<a name="line.105"></a>
<FONT color="green">106</FONT>        }<a name="line.106"></a>
<FONT color="green">107</FONT>        else {<a name="line.107"></a>
<FONT color="green">108</FONT>          val = value.getValue();<a name="line.108"></a>
<FONT color="green">109</FONT>        }<a name="line.109"></a>
<FONT color="green">110</FONT>    <a name="line.110"></a>
<FONT color="green">111</FONT>        if (val &lt; 0) {<a name="line.111"></a>
<FONT color="green">112</FONT>          // If value is below 0, display black<a name="line.112"></a>
<FONT color="green">113</FONT>          return Color.getHSBColor(0, 0, 0);<a name="line.113"></a>
<FONT color="green">114</FONT>        }<a name="line.114"></a>
<FONT color="green">115</FONT>        else {<a name="line.115"></a>
<FONT color="green">116</FONT>          // If value is positive, then calculate it's position between min and max<a name="line.116"></a>
<FONT color="green">117</FONT>          double ratio = val / max;<a name="line.117"></a>
<FONT color="green">118</FONT>          //Apply mathematical options<a name="line.118"></a>
<FONT color="green">119</FONT>          ratio = adjustValue(ratio);<a name="line.119"></a>
<FONT color="green">120</FONT>          // Then multiply this ratio by 0.35 to get the appropriate hue between red and green<a name="line.120"></a>
<FONT color="green">121</FONT>          float newHue = (float) ratio * 0.35f;<a name="line.121"></a>
<FONT color="green">122</FONT>          // The hue is multiplied by 360 by getHSBColor to the the appropriate hue<a name="line.122"></a>
<FONT color="green">123</FONT>          // so we use 0.35 because green is 120.<a name="line.123"></a>
<FONT color="green">124</FONT>    <a name="line.124"></a>
<FONT color="green">125</FONT>          return Color.getHSBColor(newHue, 1f, 1f);<a name="line.125"></a>
<FONT color="green">126</FONT>        }<a name="line.126"></a>
<FONT color="green">127</FONT>      }<a name="line.127"></a>
<FONT color="green">128</FONT>    <a name="line.128"></a>
<FONT color="green">129</FONT>      /**<a name="line.129"></a>
<FONT color="green">130</FONT>       * Given a value, maps that value to a new value using the specified math function<a name="line.130"></a>
<FONT color="green">131</FONT>       * <a name="line.131"></a>
<FONT color="green">132</FONT>       * <a name="line.132"></a>
<FONT color="green">133</FONT>       * @param value The value to convert<a name="line.133"></a>
<FONT color="green">134</FONT>       * @return The converted value<a name="line.134"></a>
<FONT color="green">135</FONT>       */<a name="line.135"></a>
<FONT color="green">136</FONT>      private double adjustValue(final double value) {<a name="line.136"></a>
<FONT color="green">137</FONT>        double ret = value;<a name="line.137"></a>
<FONT color="green">138</FONT>        switch (colorDistribution) {<a name="line.138"></a>
<FONT color="green">139</FONT>        case Log:<a name="line.139"></a>
<FONT color="green">140</FONT>          ret = Math.log1p(value);<a name="line.140"></a>
<FONT color="green">141</FONT>          break;<a name="line.141"></a>
<FONT color="green">142</FONT>        case Exp:<a name="line.142"></a>
<FONT color="green">143</FONT>          ret = Math.exp(value);<a name="line.143"></a>
<FONT color="green">144</FONT>          break;<a name="line.144"></a>
<FONT color="green">145</FONT>        case SquareRoot:<a name="line.145"></a>
<FONT color="green">146</FONT>          ret = Math.sqrt(value);<a name="line.146"></a>
<FONT color="green">147</FONT>          break;<a name="line.147"></a>
<FONT color="green">148</FONT>        case CubicRoot:<a name="line.148"></a>
<FONT color="green">149</FONT>          ret = Math.cbrt(value);<a name="line.149"></a>
<FONT color="green">150</FONT>          break;<a name="line.150"></a>
<FONT color="green">151</FONT>        default:<a name="line.151"></a>
<FONT color="green">152</FONT>          // Linear<a name="line.152"></a>
<FONT color="green">153</FONT>          ret = value;<a name="line.153"></a>
<FONT color="green">154</FONT>          break;<a name="line.154"></a>
<FONT color="green">155</FONT>        }<a name="line.155"></a>
<FONT color="green">156</FONT>        return ret;<a name="line.156"></a>
<FONT color="green">157</FONT>      }<a name="line.157"></a>
<FONT color="green">158</FONT>    <a name="line.158"></a>
<FONT color="green">159</FONT>      /**<a name="line.159"></a>
<FONT color="green">160</FONT>       * Set the max and the min values in the tree map<a name="line.160"></a>
<FONT color="green">161</FONT>       * <a name="line.161"></a>
<FONT color="green">162</FONT>       * @param root Root of the JTreeMap<a name="line.162"></a>
<FONT color="green">163</FONT>       */<a name="line.163"></a>
<FONT color="green">164</FONT>      private void setValues(final TreeMapNode root) {<a name="line.164"></a>
<FONT color="green">165</FONT>        if (root.isLeaf()) {<a name="line.165"></a>
<FONT color="green">166</FONT>          final Value value = root.getValue();<a name="line.166"></a>
<FONT color="green">167</FONT>    <a name="line.167"></a>
<FONT color="green">168</FONT>          if (value == null) {<a name="line.168"></a>
<FONT color="green">169</FONT>            return;<a name="line.169"></a>
<FONT color="green">170</FONT>          }<a name="line.170"></a>
<FONT color="green">171</FONT>    <a name="line.171"></a>
<FONT color="green">172</FONT>          if (maxValue == null || value.getValue() &gt;= maxValue.getValue()) {<a name="line.172"></a>
<FONT color="green">173</FONT>            try {<a name="line.173"></a>
<FONT color="green">174</FONT>              final Class&lt;? extends Value&gt; c = value.getClass();<a name="line.174"></a>
<FONT color="green">175</FONT>              if (maxValue == null) {<a name="line.175"></a>
<FONT color="green">176</FONT>                maxValue = (c.newInstance());<a name="line.176"></a>
<FONT color="green">177</FONT>              }<a name="line.177"></a>
<FONT color="green">178</FONT>              maxValue.setValue(value.getValue());<a name="line.178"></a>
<FONT color="green">179</FONT>            }<a name="line.179"></a>
<FONT color="green">180</FONT>            catch (final IllegalAccessException iae) {<a name="line.180"></a>
<FONT color="green">181</FONT>              iae.printStackTrace();<a name="line.181"></a>
<FONT color="green">182</FONT>            }<a name="line.182"></a>
<FONT color="green">183</FONT>            catch (final InstantiationException ie) {<a name="line.183"></a>
<FONT color="green">184</FONT>              ie.printStackTrace();<a name="line.184"></a>
<FONT color="green">185</FONT>            }<a name="line.185"></a>
<FONT color="green">186</FONT>          }<a name="line.186"></a>
<FONT color="green">187</FONT>    <a name="line.187"></a>
<FONT color="green">188</FONT>          minValue = new DefaultValue(0);<a name="line.188"></a>
<FONT color="green">189</FONT>    <a name="line.189"></a>
<FONT color="green">190</FONT>        }<a name="line.190"></a>
<FONT color="green">191</FONT>        else {<a name="line.191"></a>
<FONT color="green">192</FONT>          for (final Enumeration&lt;?&gt; e = root.children(); e.hasMoreElements();) {<a name="line.192"></a>
<FONT color="green">193</FONT>            final TreeMapNode node = (TreeMapNode) e.nextElement();<a name="line.193"></a>
<FONT color="green">194</FONT>            setValues(node);<a name="line.194"></a>
<FONT color="green">195</FONT>          }<a name="line.195"></a>
<FONT color="green">196</FONT>        }<a name="line.196"></a>
<FONT color="green">197</FONT>      }<a name="line.197"></a>
<FONT color="green">198</FONT>    <a name="line.198"></a>
<FONT color="green">199</FONT>      private JTreeMap jTreeMap;<a name="line.199"></a>
<FONT color="green">200</FONT>    <a name="line.200"></a>
<FONT color="green">201</FONT>      private JPanel legend;<a name="line.201"></a>
<FONT color="green">202</FONT>    <a name="line.202"></a>
<FONT color="green">203</FONT>      private Value maxValue;<a name="line.203"></a>
<FONT color="green">204</FONT>    <a name="line.204"></a>
<FONT color="green">205</FONT>      private Value minValue;<a name="line.205"></a>
<FONT color="green">206</FONT>    <a name="line.206"></a>
<FONT color="green">207</FONT>      private ColorDistributionTypes colorDistribution = ColorDistributionTypes.Linear;<a name="line.207"></a>
<FONT color="green">208</FONT>    <a name="line.208"></a>
<FONT color="green">209</FONT>      /**<a name="line.209"></a>
<FONT color="green">210</FONT>       * Panel with the legend<a name="line.210"></a>
<FONT color="green">211</FONT>       * <a name="line.211"></a>
<FONT color="green">212</FONT>       * @author Laurent Dutheil<a name="line.212"></a>
<FONT color="green">213</FONT>       */<a name="line.213"></a>
<FONT color="green">214</FONT>      private class Legend extends JPanel {<a name="line.214"></a>
<FONT color="green">215</FONT>        private static final int Y_INSET = 7;<a name="line.215"></a>
<FONT color="green">216</FONT>    <a name="line.216"></a>
<FONT color="green">217</FONT>        private static final int X_INSET = 15;<a name="line.217"></a>
<FONT color="green">218</FONT>    <a name="line.218"></a>
<FONT color="green">219</FONT>        private static final long serialVersionUID = 6371342387871103592L;<a name="line.219"></a>
<FONT color="green">220</FONT>    <a name="line.220"></a>
<FONT color="green">221</FONT>        private static final int HEIGHT = 20;<a name="line.221"></a>
<FONT color="green">222</FONT>    <a name="line.222"></a>
<FONT color="green">223</FONT>        private static final int WIDTH = 120;<a name="line.223"></a>
<FONT color="green">224</FONT>    <a name="line.224"></a>
<FONT color="green">225</FONT>        private static final int X = 20;<a name="line.225"></a>
<FONT color="green">226</FONT>    <a name="line.226"></a>
<FONT color="green">227</FONT>        private static final int Y = 25;<a name="line.227"></a>
<FONT color="green">228</FONT>    <a name="line.228"></a>
<FONT color="green">229</FONT>        /**<a name="line.229"></a>
<FONT color="green">230</FONT>         * Constructor of Legend<a name="line.230"></a>
<FONT color="green">231</FONT>         */<a name="line.231"></a>
<FONT color="green">232</FONT>        public Legend() {<a name="line.232"></a>
<FONT color="green">233</FONT>          this.setSize(<a name="line.233"></a>
<FONT color="green">234</FONT>              new java.awt.Dimension(2 * Legend.X + Legend.WIDTH, 2 * Legend.Y + Legend.HEIGHT));<a name="line.234"></a>
<FONT color="green">235</FONT>          this.setPreferredSize(<a name="line.235"></a>
<FONT color="green">236</FONT>              new java.awt.Dimension(2 * Legend.X + Legend.WIDTH, 2 * Legend.Y + Legend.HEIGHT));<a name="line.236"></a>
<FONT color="green">237</FONT>        }<a name="line.237"></a>
<FONT color="green">238</FONT>    <a name="line.238"></a>
<FONT color="green">239</FONT>        /**<a name="line.239"></a>
<FONT color="green">240</FONT>         * Draw the legend component.<a name="line.240"></a>
<FONT color="green">241</FONT>         * <a name="line.241"></a>
<FONT color="green">242</FONT>         * @param g The graphics instance.<a name="line.242"></a>
<FONT color="green">243</FONT>         */<a name="line.243"></a>
<FONT color="green">244</FONT>        @Override<a name="line.244"></a>
<FONT color="green">245</FONT>        public void paintComponent(final Graphics g) {<a name="line.245"></a>
<FONT color="green">246</FONT>          super.paintComponent(g);<a name="line.246"></a>
<FONT color="green">247</FONT>          if (RedYellowGreenColorProvider.this.minValue == null<a name="line.247"></a>
<FONT color="green">248</FONT>              || RedYellowGreenColorProvider.this.maxValue == null) {<a name="line.248"></a>
<FONT color="green">249</FONT>            setValues(RedYellowGreenColorProvider.this.jTreeMap.getRoot());<a name="line.249"></a>
<FONT color="green">250</FONT>          }<a name="line.250"></a>
<FONT color="green">251</FONT>          final Value min = RedYellowGreenColorProvider.this.minValue;<a name="line.251"></a>
<FONT color="green">252</FONT>          final Value max = RedYellowGreenColorProvider.this.maxValue;<a name="line.252"></a>
<FONT color="green">253</FONT>    <a name="line.253"></a>
<FONT color="green">254</FONT>          g.setColor(Color.black);<a name="line.254"></a>
<FONT color="green">255</FONT>          if (min != null &amp;&amp; max != null) {<a name="line.255"></a>
<FONT color="green">256</FONT>            g.drawString(min.getLabel(), Legend.X - X_INSET, Legend.Y - Y_INSET);<a name="line.256"></a>
<FONT color="green">257</FONT>            g.drawString(max.getLabel(), Legend.X + Legend.WIDTH - X_INSET, Legend.Y - Y_INSET);<a name="line.257"></a>
<FONT color="green">258</FONT>    <a name="line.258"></a>
<FONT color="green">259</FONT>            final double step = (max.getValue() - min.getValue()) / Legend.WIDTH;<a name="line.259"></a>
<FONT color="green">260</FONT>            final Value value = new DefaultValue(min.getValue());<a name="line.260"></a>
<FONT color="green">261</FONT>            for (int i = 0; i &lt; Legend.WIDTH; i++) {<a name="line.261"></a>
<FONT color="green">262</FONT>              g.setColor(RedYellowGreenColorProvider.this.getColor(value));<a name="line.262"></a>
<FONT color="green">263</FONT>              g.fillRect(Legend.X + i, Legend.Y, 1, Legend.HEIGHT);<a name="line.263"></a>
<FONT color="green">264</FONT>              value.setValue(value.getValue() + step);<a name="line.264"></a>
<FONT color="green">265</FONT>            }<a name="line.265"></a>
<FONT color="green">266</FONT>          }<a name="line.266"></a>
<FONT color="green">267</FONT>        }<a name="line.267"></a>
<FONT color="green">268</FONT>      }<a name="line.268"></a>
<FONT color="green">269</FONT>    }<a name="line.269"></a>




























































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